Dear Tom and Frank, thanks for the help on C. atlantis. Now, I request
some help from the whole list. The list below has all the Cyphoma species
I
could narrow out. Now, I would like to know, are there any species on
this list
that are not true Cyphoma? Also, could anybody inform me of any true
Cyphoma
species are NOT on this list? I am trying to collect the whole genus.

     Cyphoma alleneae Cate, 1973 America
     Cyphoma emarginatum Sowerby, 1830 West Mexico
     Cyphoma gibbosa Linnaeus, 1758 Caribbean
     Cyphoma macgintyi Pilsbry, 1939 Florida
     Cyphoma macumba Petuch, 1979 Brazil
     Cyphoma rhomba Cate, 1978 Florida
     Cyphoma sedlaki Cate, 1976 Florida
     Cyphoma signatum Pilsbry & McGinty, 1939 Caribbean

Thanks,
James